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Doug Pence

I am Doug Pence. I am the founder and vice president of Computer Processing Unlimited, Inc. in San Diego, California. My association with writing began in 1983 with a small technical newsletter named DataNetwork. My career in software dates back to the late 1970's. I have designed dozens of systems and have had the privilege of working on every IBM midrange system from the System/3 to the AS/400.

I have worked together with Ron Hawkins off and on since 1979, and we currently share the research and development duties at Computer Processing Unlimited, Inc. We have also written several books and a video for MC Press focused on advanced concepts, tips, and techniques.


		IBM System i APIs at Work Master APIs with this in-depth, example-rich exploration into these powerful tools. $89.95 List Price $67.46 Our Price (You Save 25%)


		IBM i5/iSeries Primer This comprehensive, 35-chapter book is the ultimate resource and a "must-have" for every professional working with the i5/iSeries. $99.95 List Price $54.97 Our Price (You Save 45%)